code: def handle_data(self, data):
      if not self.order_count:
          if (
              self.sid
              not in self.rl.leveraged_etf_list.current_securities(
                  self.get_datetime()
              )
          ):
              self.order(self.sid, 100)
              self.order_count += 1
  
file_path: catalyst/tests/test_security_list.py
imports: from catalyst.algorithm import TradingAlgorithm
  from catalyst.utils.security_list import SecurityListSet, load_from_directory
label_desc: Use image node_id 2 for calling the RestrictedAlgoWithCheck obj's underlying member method code with example usage: obj.handle_data(data) without return types